Fixed bug in 0de1f08 ("Upgraded yaml-cpp API from v0.3 -> v0.5.") where
all boolean parameters in the YAML control file were being interpreted
as "True".
Merge pull request #7 from bcfriesen/master

Fixed bug in 0de1f08 ("Upgraded yaml-cpp API from v0.3 -> v0.5.") where all boolean parameters in the YAML control file were being interpreted as "True".